Lead Site Reliability Engineer

Mastercard Inc.; O’Fallon (MO); On-site; USD 122,000 - 207,000; Full time

Benefits offered by this job

Medical Insurance

401k Match

Paid Leave

Vacation Time

Health Savings Account

Job summary

Mastercard Inc. is seeking a Lead Site Reliability Engineer to ensure the reliability, scalability, and performance of critical Java/Spring-based applications within the Business Operations organization.

You will mentor junior engineers, drive automation initiatives, and steer incident reviews while collaborating with product teams to improve production readiness across Mastercard’s global environment.

Qualifications

• BS in Computer Science or related field.
• Proficiency in Java, Spring Framework, Python, or Go.
• Strong DevOps and configuration management skills.
• Experience with distributed systems and automation.
• Problem-solving, communication, and leadership abilities.
• Passion for observability and continuous improvement.
• Willingness to learn and collaborate across teams.

Responsibilities

• Ensure platform reliability and performance.
• Automate operational tasks and alerts.
• Mentor junior engineers and lead incident reviews.
• Collaborate with product teams to improve production readiness.

Skills

Java

Spring Framework

Python

Go

Operational Readiness

Site Reliability Engineering

DevOps/Automation

ITSM Practices

Education

BS in Computer Science or related field

Tools

CI/CD

Job description

Title and Summary Lead Site Reliability Engineer Job Description Summary Overview: Who is Mastercard?

At Mastercard technology, we work to connect and power an inclusive, digital economy that benefits everyone, everywhere, by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships, and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. We cultivate a culture of inclusion for all employees that respects their individual strengths, views, and experiences. We believe that our differences enable us to be a better team – one that makes better decisions, drives innovation, and delivers better business results. Technology at Mastercard. What we create today will define tomorrow. Revolutionary technologies that reshape the digital economy to be more connected and inclusive than ever before. Safer, faster, more sustainable. And we need the best people to do it. Technologists who are energized by the challenges of a truly global network. With the talent and vision to create the critical systems and products that power global commerce and connect people everywhere to the vital goods and services they need every day. Working at Mastercard means being part of a unique culture. Inclusive and diverse, a rich collaboration of ideas and perspectives. A place that celebrates your strengths, values your experiences, and offers you the flexibility to shape a career across disciplines and continents. And the opportunity to work alongside experts and leaders at every level of the business, improving what exists, and inventing what’s next.

Role:

The Business Operations (Biz Ops) team is seeking a Business Operations Site Reliability Engineer (SRE). The role of Business Operations Organization is to be the production readiness steward for Mastercard products. As a Business Operations SRE, we are responsible for ensuring that our platform is stable and healthy. We break down barriers to run our products by fostering developer run ownership and empowering developers to build resilient products. We support our developers during the application build phase in software run principals that includes operational design, automation, capacity planning, monitoring that leads to fault-tolerant, scalable products. We see the big picture and help create and enforce operations standards while facilitating an agile and learning culture. We are seeking a highly motivated and experienced Lead Site Reliability Engineer (SRE) to join our growing team. You will play a critical role in ensuring the reliability, scalability, and performance of our Java, Spring Framework applications, supporting essential services that power Mastercard's global operations. As a leader thought leader in your field, you will bring technical expertise, a passion for automation, and the ability to mentor and guide less experienced junior engineers. We support daily operations with a hyper focus on triage, root cause by understanding the business impact of our products and subsequently performing blameless post-mortems. The goal of every Business Operations team is to engage early in the development lifecycle to be more proactive and upfront in the development process, and to proactively manage production and change activities to maximize customer experience and increase the overall value of supported applications. Business Operations teams also focus on risk management by tying all our activities together with an overarching responsibility for compliance and risk mitigation across all our environments. Ultimately, the role of Business Operations is to align Product and Customer Focused priorities with Operational needs by providing continuous feedback throughout the lifecycle.

Team Specific Skills:

• Operational Readiness Architect: Ensure application health, performance, and capacity; support pre-launch activities.
• Site Reliability Engineering: Design resilient infrastructure, perform root cause analysis, and automate alerts.
• DevOps/Automation: Improve service lifecycle, support CI/CD pipelines, and reduce manual intervention.
• ITSM Practices: Analyze platform activities and provide feedback to development teams.

Ideal candidates have:

• BS in Computer Science or related field.
• Proficiency in Java, Spring Framework, Python, or Go.
• Strong DevOps and configuration management skills.
• Experience with distributed systems and automation.
• Problem-solving, communication, and leadership abilities.
• Passion for observability and continuous improvement.
• Willingness to learn and collaborate across teams.

Target Salary Range:

122,000 - 207,000

In line with Mastercard’s total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience.

Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact [e-mail] and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.

Corporate Security Responsibility:

All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard’s security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.

Mastercard benefits for full time (and certain part time) employees generally include:

• insurance (including medical, prescription drug, dental, vision, disability, life insurance)
• flexible spending account and health savings account
• paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave)
• 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire
• 10 annual paid U.S. observed holidays
• 401k with a best-in-class company match
• deferred compensation for eligible roles
• fitness reimbursement or on-site fitness facilities
• eligibility for tuition reimbursement
• and many more

Mastercard benefits for interns generally include:

• 56 hours of Paid Sick and Safe Time
• jury duty leave
• on-site fitness facilities in some locations

Everyone wants easier ways to pay; we invent them. Checkout lines are slow; we speed them along. Merchants want more sales; we give them data and insights. People need financial access; we connect them. Corporate purchasing is complicated; we make it simple. Commuters are busy; we speed them on their way. Governments need greater efficiencies; we help create them. Small businesses are virtual; we give them access to a world of buyers. Retailers want to fight fraud; we provide the tools.